<template>
  <div>
    年龄:<input v-model.number="age" type="text" /><br />
    用户名:
    <input v-model.trim="username" type="text" /><br />
    自我介绍:
    <textarea v-model.lazy="intro" name="" id="" cols="30" rows="10"></textarea>
  </div>
</template>

<script>
export default {
  name: "DemoOneApp",

  data() {
    return {
      age: 18,
      username: "",
      intro: "",
    };
  },
};
</script>

<style>
</style>